language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-07-19 04:25:03 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

fix alignment bug in list literals

Browse source
This commit is contained in:
Folkert 2023-09-13 14:02:55 +02:00
parent 44777c5cac
commit 3c8dbce72e
No known key found for this signature in database
GPG key ID: 1F17F6FFD112B97C
3 changed files with 24 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

11
crates/compiler/builtins/bitcode/src/utils.zig
View file

@ -221,13 +221,14 @@ pub fn decrefDataPtrC(
) callconv(.C) void {
var bytes = bytes_or_null orelse return;
const ptr = @ptrToInt(bytes);
const data_ptr = @ptrToInt(bytes);
const tag_mask: usize = if (@sizeOf(usize) == 8) 0b111 else 0b11;
const masked_ptr = ptr & ~tag_mask;
const unmasked_ptr = data_ptr & ~tag_mask;
const isizes: [*]isize = @intToPtr([*]isize, masked_ptr);
const isizes: [*]isize = @intToPtr([*]isize, unmasked_ptr);
const rc_ptr = isizes - 1;
return decrefRcPtrC(isizes - 1, alignment);
return decrefRcPtrC(rc_ptr, alignment);
}
pub fn increfDataPtrC(
@ -435,7 +436,7 @@ pub fn allocateWithRefcount(
var new_bytes: [*]u8 = alloc(length, alignment) orelse unreachable;
if (DEBUG_ALLOC and builtin.target.cpu.arch != .wasm32) {
std.debug.print("+ allocated {*}\n", .{new_bytes});
std.debug.print("+ allocated {*} ({} bytes with alignment {})\n", .{ new_bytes, data_bytes, element_alignment });
}
const data_ptr = new_bytes + alignment;